五年级简便计算7.36乘3.4+6.6乘7.365.8乘9.9+5.8乘0.11.25乘2.5乘3248乘0.258.3乘9.9100.1乘3.4

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 19:35:21
五年级简便计算7.36乘3.4+6.6乘7.365.8乘9.9+5.8乘0.11.25乘2.5乘3248乘0.258.3乘9.9100.1乘3.4五年级简便计算7.36乘3.4+6.6乘7.365.8

五年级简便计算7.36乘3.4+6.6乘7.365.8乘9.9+5.8乘0.11.25乘2.5乘3248乘0.258.3乘9.9100.1乘3.4
五年级简便计算
7.36乘3.4+6.6乘7.36
5.8乘9.9+5.8乘0.1
1.25乘2.5乘32
48乘0.25
8.3乘9.9
100.1乘3.4

五年级简便计算7.36乘3.4+6.6乘7.365.8乘9.9+5.8乘0.11.25乘2.5乘3248乘0.258.3乘9.9100.1乘3.4
7.36乘3.4+6.6乘7.36
=7.36×(3.4+6.6)
=7.36×10
=73.6
5.8乘9.9+5.8乘0.1
=5.8×(9.9+0.1)
=5.8×10
=58
1.25乘2.5乘32
=(1.25×8)×(2.5×4)
=10×10
=100
48乘0.25
=(4×0.25)×12
=12
8.3乘9.9
=8.3×(10-0.1)
=8.3×10-8.3×0.1
=83-0.83
=82.17
100.1乘3.4
=(100+0.1)×3.4
=100×3.4+0.1×3.4
=340+0.34
=340.34

7.36乘3.4+6.6乘7.36=7.36×(3.4+6.6)=73.6
5.8乘9.9+5.8乘0.1=5.8×(9.9+0.1)=58
1.25乘2.5乘32=(1.25×8)×(4×2.5)=100
48乘0.25=12×(4×0.25)=12
8.3乘9.9=8.3×(10-0.1)=83-0.83=82.17
100.1乘3.4 =(100+0.1)×3.4=340+0.34=340.34

7.36乘3.4+6.6乘7.36
7.36*10=73.6
5.8乘9.9+5.8乘0.1
5.8*-10=58
1.25乘2.5乘32
1.25*8*2.54=100
48乘0.25
12*4*0.25=12
8.3乘9.9
83-0.83=82.17
100.1乘3.4
340+0.34=340.34